Home / 878,161.52-1,211,770.14-496,114.52

Finding the Fourth Proportional to 878,161.52, 1,211,770.14 and 496,114.52

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Solution

The fourth proportional to 878,161.52, 1,211,770.14 and 496,114.52 is: 684,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,161.52 : 1,211,770.14 = 496,114.52 : x
  2. Step 2: Convert to fraction form
    878,161.52/1,211,770.14 = 496,114.52/x
  3. Step 3: Cross multiply
    878,161.52x = 1,211,770.14 × 496,114.52
  4. Step 4: Simplify right side
    878,161.52x = 601,176,761,356.43
  5. Step 5: Solve for x
    x = 601,176,761,356.43/878,161.52
  6. Step 6: Final answer
    x = 684,585.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.